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Littelfuse SECS3070 Current Transformer

The SE-CS30 series comprises sensitive nickel-core current transformers designed to detect low earth-leakage currents when used with Littelfuse relays. These transformers feature a turns ratio of 600:1, current ratings of 30:0.05 A, and operate at frequencies between 50-400 Hz. They are insulated for 600V, suitable for various industrial electrical applications, and are CSA, UL, CE certified. Available in multiple sizes for different mounting requirements, these transformers are RoHS and EN 60044-1 compliant, ensuring safety and environmental standards.

Authorized Distributors
Source:Newark
Part No:SE-CS30-70
Stock:4
Inv Date:05-28-2026
Price: Unit price: $1107.92
Buy/RFQ:
Source:DigiKey
Part No:SE-CS30-70
Stock:2
Inv Date:05-28-2026
Price: Unit price: $949.46
Buy/RFQ:
Part No:SE-CS30-70
Stock:7
Inv Date:05-29-2026
Price: Unit price: $949.45
Buy/RFQ:
Part No:SE-CS30-70
Stock:1
Inv Date:05-28-2026
Price: Unit price: $820.77
Buy/RFQ:
Part No:SE-CS30-70
Stock:4
Inv Date:05-28-2026
Price: Unit price: $1583.55
Buy/RFQ:
Part No:SE-CS30-70
Stock:4
Inv Date:05-28-2026
Price: Unit price: $1583.55
Buy/RFQ:

Littelfuse SECS3070 Current Transformer Specifications:

  • Turns Ratio: 600:1
  • Current Rating: 30:0.05 A
  • Accuracy: 3% @ 0.06 VA
  • Frequency Range: 50-400 Hz
  • Insulation Level: 600V
  • Operating Temperature: -67 to 140°F (-55 to 60°C)
  • Certifications: CSA, UL, CE
  • RoHS and IEC 60044-1 compliant
  • Size options: 26 mm, 70 mm, 95 mm, 140 mm, 200 mm
  • Mounting: Top mounting with M4 or 8-32 screws
  • Dimensions vary per model, with key measurements around 25 mm to 200 mm window size
  • Material: Nickel core with appropriate insulation, suitable for industrial electrical environments

Buy the Littelfuse SE-CS30 – Reliable Current Transformers for Industrial Applications

Enhance your electrical safety with the Littelfuse SE-CS30 series current transformers. These sensitive nickel-core devices detect low earth-leakage currents accurately, ensuring safety and compliance. Available in multiple sizes with easy top mounting, they feature high insulation levels and are CSA, UL, CE certified for industrial environments. Perfect for automation, relays, and electrical protection systems, these transformers provide dependable performance. Shop online now for fast delivery and ensure your electrical installations operate safely and efficiently.

Order your Littelfuse SE-CS30 series current transformer today and ensure reliable earth-leakage detection in your industrial electrical systems.

Frequently Asked Questions

Where can I buy Littelfuse SECS3070?

You can click on the BUY or RFQ button to purchase SECS3070 from an authorized Littelfuse distributor.

How do I troubleshoot issues or seek technical support for part SECS3070?

You can download the SECS3070 datasheet or visit the Littelfuse website for support.

Who is the manufacturer of SECS3070?

Littelfuse

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